const pptxgen = require("pptxgenjs");
const fs = require("fs");

// Load image map
const imgMap = JSON.parse(fs.readFileSync("/tmp/images_map.json", "utf8"));

// Image keys (short aliases)
const IMG_BACTEROIDES   = imgMap["https://upload.wikimedia.org/wikipedia/commons/6/6d/BacteroidesFragilis_Gram.jpg"];
const IMG_ECOLI         = imgMap["https://upload.wikimedia.org/wikipedia/commons/thumb/8/85/E.coli_gram_stain.jpg/1280px-E.coli_gram_stain.jpg"];
const IMG_ABSCESS_DIAG  = imgMap["https://upload.wikimedia.org/wikipedia/commons/thumb/2/29/Abscess_diag_02.svg/960px-Abscess_diag_02.svg.png"];
const IMG_PELVIC        = imgMap["https://upload.wikimedia.org/wikipedia/commons/d/da/Sites_of_tubo_ovarian_abscess.PNG"];
const IMG_CT_ABDOMEN    = imgMap["https://upload.wikimedia.org/wikipedia/commons/7/7f/CT_Scan_General_Illustration_Upper_Abdomen.jpg"];
const IMG_PIPERACILLIN  = imgMap["https://upload.wikimedia.org/wikipedia/commons/thumb/d/d2/Piperacillin_skeletal_formula_labelled.svg/1280px-Piperacillin_skeletal_formula_labelled.svg.png"];
const IMG_ECOLI2        = imgMap["https://upload.wikimedia.org/wikipedia/commons/thumb/e/e8/Escherichia_coli_Gram.jpg/330px-Escherichia_coli_Gram.jpg"];
const IMG_PERITONITIS   = imgMap["https://upload.wikimedia.org/wikipedia/commons/6/6a/Tuberculous_peritonitis_%286544825621%29.jpg"];

// ─── Color Palette ───────────────────────────────────────────────────────────
const C = {
  darkBg:    "0D1B2A",   // deep navy - title/section slides
  midBg:     "1B2A3B",   // medium navy - accent backgrounds
  cardBg:    "142033",   // card dark bg
  accent1:   "E63946",   // vivid red - highlights
  accent2:   "F4A261",   // warm orange - secondary accent
  accent3:   "2A9D8F",   // teal - info boxes
  white:     "FFFFFF",
  lightGray: "D8E4EE",
  subText:   "A8C0D6",
  yellow:    "FFD166",
  green:     "06D6A0",
};

// ─── Helper: add decorative top bar ──────────────────────────────────────────
function addTopBar(slide, color = C.accent1) {
  slide.addShape("rect", { x: 0, y: 0, w: "100%", h: 0.08, fill: { color }, line: { color } });
}

function addBottomBar(slide) {
  slide.addShape("rect", { x: 0, y: 5.545, w: "100%", h: 0.08, fill: { color: C.accent3 }, line: { color: C.accent3 } });
}

// ─── Helper: section divider slide ───────────────────────────────────────────
function addSectionSlide(pres, num, title) {
  const s = pres.addSlide();
  s.background = { color: C.darkBg };

  // Left accent bar
  s.addShape("rect", { x: 0, y: 0, w: 0.18, h: "100%", fill: { color: C.accent1 }, line: { color: C.accent1 } });

  // Section number circle
  s.addShape("ellipse", { x: 0.45, y: 2.1, w: 1.0, h: 1.0, fill: { color: C.accent1 }, line: { color: C.accent1 } });
  s.addText(`${num}`, { x: 0.45, y: 2.1, w: 1.0, h: 1.0, fontSize: 32, bold: true, color: C.white, align: "center", valign: "middle" });

  // Title
  s.addText(title, { x: 1.65, y: 1.9, w: 7.8, h: 1.5, fontSize: 38, bold: true, color: C.white, valign: "middle", charSpacing: 1 });

  // Decorative line
  s.addShape("rect", { x: 1.65, y: 3.5, w: 5.0, h: 0.05, fill: { color: C.accent2 }, line: { color: C.accent2 } });

  s.addText("Department of Surgery  •  Undergraduate Medical Programme", {
    x: 1.65, y: 3.75, w: 7.8, h: 0.4, fontSize: 12, color: C.subText, italic: true
  });
  return s;
}

// ─── Helper: content slide with image ────────────────────────────────────────
function addContentSlideWithImage(pres, title, bullets, imgData, imgCaption, imgX, imgY, imgW, imgH) {
  const s = pres.addSlide();
  s.background = { color: C.darkBg };
  addTopBar(s);
  addBottomBar(s);

  // Title bar
  s.addShape("rect", { x: 0, y: 0.08, w: "100%", h: 0.72, fill: { color: C.midBg }, line: { color: C.midBg } });
  s.addShape("rect", { x: 0, y: 0.08, w: 0.06, h: 0.72, fill: { color: C.accent1 }, line: { color: C.accent1 } });
  s.addText(title, { x: 0.22, y: 0.1, w: 9.3, h: 0.68, fontSize: 22, bold: true, color: C.white, valign: "middle", margin: 0 });

  // Bullets
  const bulletItems = bullets.map((b, i) => ({
    text: b.text || b,
    options: {
      bullet: { code: "25B6", color: b.color || C.accent2 },
      color: b.color ? C.yellow : C.lightGray,
      fontSize: b.fontSize || 13.5,
      bold: b.bold || false,
      breakLine: i < bullets.length - 1
    }
  }));
  s.addText(bulletItems, { x: 0.25, y: 0.95, w: imgData ? 5.6 : 9.4, h: 4.4, valign: "top", paraSpaceAfter: 4 });

  // Image
  if (imgData) {
    // Image card bg
    s.addShape("rect", { x: imgX - 0.08, y: imgY - 0.08, w: imgW + 0.16, h: imgH + 0.35, fill: { color: C.cardBg }, line: { color: C.accent3, w: 1.5 }, rounding: 0.05 });
    s.addImage({ data: imgData, x: imgX, y: imgY, w: imgW, h: imgH });
    if (imgCaption) {
      s.addText(imgCaption, { x: imgX - 0.08, y: imgY + imgH + 0.05, w: imgW + 0.16, h: 0.28, fontSize: 8.5, color: C.subText, align: "center", italic: true });
    }
  }

  return s;
}

// ─── Helper: plain content slide ─────────────────────────────────────────────
function addContentSlide(pres, title, bullets, headerColor) {
  return addContentSlideWithImage(pres, title, bullets, null, null, 0, 0, 0, 0);
}

// ─── Helper: two-column slide ────────────────────────────────────────────────
function addTwoColSlide(pres, title, col1Title, col1Items, col2Title, col2Items, colColor1, colColor2) {
  const s = pres.addSlide();
  s.background = { color: C.darkBg };
  addTopBar(s);
  addBottomBar(s);

  s.addShape("rect", { x: 0, y: 0.08, w: "100%", h: 0.72, fill: { color: C.midBg }, line: { color: C.midBg } });
  s.addShape("rect", { x: 0, y: 0.08, w: 0.06, h: 0.72, fill: { color: C.accent1 }, line: { color: C.accent1 } });
  s.addText(title, { x: 0.22, y: 0.1, w: 9.3, h: 0.68, fontSize: 22, bold: true, color: C.white, valign: "middle", margin: 0 });

  // Left col
  s.addShape("rect", { x: 0.2, y: 0.95, w: 4.55, h: 4.5, fill: { color: colColor1 || "1A2A3E" }, line: { color: C.accent3, w: 1 }, rounding: 0.05 });
  s.addText(col1Title, { x: 0.3, y: 1.0, w: 4.35, h: 0.45, fontSize: 14, bold: true, color: C.yellow });
  const c1Items = col1Items.map((t, i) => ({ text: t, options: { bullet: { code: "25CF", color: C.accent2 }, color: C.lightGray, fontSize: 12.5, breakLine: i < col1Items.length - 1 } }));
  s.addText(c1Items, { x: 0.3, y: 1.5, w: 4.35, h: 3.8, valign: "top", paraSpaceAfter: 4 });

  // Right col
  s.addShape("rect", { x: 5.0, y: 0.95, w: 4.55, h: 4.5, fill: { color: colColor2 || "1E1A3E" }, line: { color: C.accent1, w: 1 }, rounding: 0.05 });
  s.addText(col2Title, { x: 5.1, y: 1.0, w: 4.35, h: 0.45, fontSize: 14, bold: true, color: C.accent2 });
  const c2Items = col2Items.map((t, i) => ({ text: t, options: { bullet: { code: "25CF", color: C.accent3 }, color: C.lightGray, fontSize: 12.5, breakLine: i < col2Items.length - 1 } }));
  s.addText(c2Items, { x: 5.1, y: 1.5, w: 4.35, h: 3.8, valign: "top", paraSpaceAfter: 4 });

  return s;
}

// ════════════════════════════════════════════════════════════════════════
// BUILD PRESENTATION
// ════════════════════════════════════════════════════════════════════════
let pres = new pptxgen();
pres.layout = "LAYOUT_16x9";
pres.author = "Department of Surgery";
pres.title = "Abdominal Abscess - A Surgical Seminar";

// ─── SLIDE 1: TITLE ──────────────────────────────────────────────────────────
{
  const s = pres.addSlide();
  s.background = { color: C.darkBg };

  // Background accent shapes
  s.addShape("rect", { x: 0, y: 0, w: "100%", h: 0.12, fill: { color: C.accent1 }, line: { color: C.accent1 } });
  s.addShape("rect", { x: 0, y: 5.505, w: "100%", h: 0.12, fill: { color: C.accent3 }, line: { color: C.accent3 } });
  s.addShape("rect", { x: 7.5, y: 0.12, w: 2.5, h: 5.38, fill: { color: C.midBg }, line: { color: C.midBg } });
  s.addShape("rect", { x: 7.42, y: 0.12, w: 0.1, h: 5.38, fill: { color: C.accent1 }, line: { color: C.accent1 } });

  // CT image on right panel
  if (IMG_CT_ABDOMEN) {
    s.addImage({ data: IMG_CT_ABDOMEN, x: 7.55, y: 0.3, w: 2.3, h: 2.1 });
    s.addText("CT Abdomen", { x: 7.55, y: 2.42, w: 2.3, h: 0.28, fontSize: 9, color: C.subText, align: "center", italic: true });
  }

  // Abscess diagram lower right
  if (IMG_ABSCESS_DIAG) {
    s.addImage({ data: IMG_ABSCESS_DIAG, x: 7.55, y: 2.85, w: 2.3, h: 2.0 });
    s.addText("Abscess formation", { x: 7.55, y: 4.87, w: 2.3, h: 0.28, fontSize: 9, color: C.subText, align: "center", italic: true });
  }

  // Main text
  s.addText("ABDOMINAL", { x: 0.4, y: 0.6, w: 7.0, h: 0.75, fontSize: 52, bold: true, color: C.accent1, charSpacing: 8 });
  s.addText("ABSCESS", { x: 0.4, y: 1.28, w: 7.0, h: 0.75, fontSize: 52, bold: true, color: C.white, charSpacing: 8 });

  s.addShape("rect", { x: 0.4, y: 2.15, w: 4.5, h: 0.05, fill: { color: C.accent2 }, line: { color: C.accent2 } });

  s.addText("A Surgical Seminar", { x: 0.4, y: 2.3, w: 7.0, h: 0.45, fontSize: 20, italic: true, color: C.accent2 });
  s.addText("Department of Surgery\nUndergraduate Medical Programme", {
    x: 0.4, y: 2.85, w: 6.8, h: 0.8, fontSize: 14, color: C.subText, lineSpacingMultiple: 1.4
  });
  s.addText("Bailey & Love  ·  Sleisenger & Fordtran  ·  Mulholland & Greenfield", {
    x: 0.4, y: 3.75, w: 6.8, h: 0.4, fontSize: 11, color: C.accent3, italic: true
  });
  s.addText("June 2026", { x: 0.4, y: 5.1, w: 3.0, h: 0.35, fontSize: 11, color: C.subText });
}

// ─── SLIDE 2: LEARNING OBJECTIVES ────────────────────────────────────────────
{
  const s = pres.addSlide();
  s.background = { color: C.darkBg };
  addTopBar(s);
  addBottomBar(s);

  s.addShape("rect", { x: 0, y: 0.08, w: "100%", h: 0.72, fill: { color: C.midBg }, line: { color: C.midBg } });
  s.addShape("rect", { x: 0, y: 0.08, w: 0.06, h: 0.72, fill: { color: C.accent1 }, line: { color: C.accent1 } });
  s.addText("Learning Objectives", { x: 0.22, y: 0.1, w: 9.3, h: 0.68, fontSize: 24, bold: true, color: C.white, valign: "middle", margin: 0 });

  const objectives = [
    "Define intra-abdominal abscess (IAA) and understand its significance",
    "Identify common causes and predisposing risk factors",
    "Describe the pathophysiology of abscess formation",
    "Classify abdominal abscesses by anatomical location",
    "Enumerate the microbiology and bacteriology",
    "Recognise clinical features and symptoms",
    "Outline diagnostic investigations (imaging & lab)",
    "Discuss management: antibiotics, drainage, and surgery",
    "Identify complications and prognosis",
  ];

  // Numbered boxes (3 per row)
  const cols = [0.2, 3.42, 6.65];
  const rows = [1.05, 2.48, 3.91];
  const colors = [C.accent1, C.accent3, C.accent2, C.midBg, "1E3A5F", "2D1B4E", "1A3A2A", "3A1A1A", "1A2A3A"];
  objectives.forEach((obj, i) => {
    const col = cols[i % 3];
    const row = rows[Math.floor(i / 3)];
    const bgCol = colors[i];
    s.addShape("rect", { x: col, y: row, w: 3.05, h: 1.25, fill: { color: bgCol }, line: { color: C.accent3, w: 1 }, rounding: 0.08 });
    s.addText([
      { text: `${i + 1}  `, options: { bold: true, color: C.yellow, fontSize: 16 } },
      { text: obj, options: { color: C.lightGray, fontSize: 11.5 } }
    ], { x: col + 0.1, y: row + 0.05, w: 2.85, h: 1.15, valign: "middle" });
  });
}

// ─── SECTION 1 ────────────────────────────────────────────────────────────────
addSectionSlide(pres, 1, "Definition & Overview");

// ─── SLIDE 4: DEFINITION ─────────────────────────────────────────────────────
addContentSlideWithImage(pres,
  "Definition of Intra-Abdominal Abscess (IAA)",
  [
    { text: "A localized collection of pus within the peritoneal cavity or retroperitoneal space", bold: false },
    { text: "Arises in the background of infectious (secondary) peritonitis", bold: false },
    { text: "Represents the body's attempt to CONTAIN infection and prevent fatal sepsis", bold: true, color: C.accent1 },
    { text: "Secondary peritonitis (most common) - bowel perforation, appendicitis, diverticulitis", bold: false },
    { text: "Tertiary peritonitis - persistent/recurrent infection >48 hrs after initial treatment", bold: false },
    { text: "Solid organ abscesses (liver, spleen, pancreas) are a separate category", bold: false },
    { text: "Walled-off pus = CONTAINED infection = local response preventing systemic sepsis", bold: true, color: C.accent3 },
  ],
  IMG_ABSCESS_DIAG, "Abscess formation diagram", 6.05, 1.05, 3.7, 4.2
);

// ─── SLIDE 5: EPIDEMIOLOGY ────────────────────────────────────────────────────
{
  const s = pres.addSlide();
  s.background = { color: C.darkBg };
  addTopBar(s);
  addBottomBar(s);
  s.addShape("rect", { x: 0, y: 0.08, w: "100%", h: 0.72, fill: { color: C.midBg }, line: { color: C.midBg } });
  s.addShape("rect", { x: 0, y: 0.08, w: 0.06, h: 0.72, fill: { color: C.accent1 }, line: { color: C.accent1 } });
  s.addText("Epidemiology & Clinical Importance", { x: 0.22, y: 0.1, w: 9.3, h: 0.68, fontSize: 22, bold: true, color: C.white, valign: "middle", margin: 0 });

  // Stat boxes
  const stats = [
    { val: "~8%", label: "of patients develop IAA after appendicectomy", col: C.accent1 },
    { val: "10–25%", label: "of hospitalised diverticulitis patients develop abscess", col: C.accent3 },
    { val: "96%", label: "CT scan sensitivity for acute abdominal pathology", col: C.accent2 },
  ];
  stats.forEach((st, i) => {
    const x = 0.2 + i * 3.25;
    s.addShape("rect", { x, y: 1.0, w: 3.0, h: 1.55, fill: { color: st.col }, line: { color: st.col }, rounding: 0.1 });
    s.addText(st.val, { x, y: 1.05, w: 3.0, h: 0.65, fontSize: 30, bold: true, color: C.white, align: "center" });
    s.addText(st.label, { x, y: 1.7, w: 3.0, h: 0.75, fontSize: 11.5, color: C.white, align: "center" });
  });

  // Why it matters
  s.addShape("rect", { x: 0.2, y: 2.75, w: 9.55, h: 2.55, fill: { color: C.midBg }, line: { color: C.accent3, w: 1.5 }, rounding: 0.05 });
  s.addText("Why It Matters", { x: 0.35, y: 2.82, w: 9.2, h: 0.4, fontSize: 15, bold: true, color: C.yellow });
  const whyItems = [
    "Significant cause of prolonged hospital stay and ICU admission",
    "Can lead to sepsis and multi-organ failure if unrecognised",
    "Preventable in many cases with good surgical technique",
    "Prompt diagnosis and drainage reduces mortality substantially",
    "Elderly and immunocompromised patients may present with subtle signs",
  ];
  const wItems = whyItems.map((t, i) => ({ text: t, options: { bullet: { code: "25B6", color: C.accent2 }, color: C.lightGray, fontSize: 13, breakLine: i < whyItems.length - 1 } }));
  s.addText(wItems, { x: 0.35, y: 3.28, w: 9.2, h: 1.9, valign: "top", paraSpaceAfter: 3 });
}

// ─── SECTION 2 ────────────────────────────────────────────────────────────────
addSectionSlide(pres, 2, "Aetiology & Risk Factors");

// ─── SLIDE 7: CAUSES ─────────────────────────────────────────────────────────
addTwoColSlide(pres,
  "Causes of Intra-Abdominal Abscess",
  "Common Surgical Causes",
  [
    "Perforated appendicitis",
    "Perforated peptic ulcer (gastric/duodenal)",
    "Diverticulitis with perforation",
    "Anastomotic leak post-colorectal surgery",
    "Cholecystitis / biliary perforation",
    "Pancreatitis (pancreatic abscess)",
    "Abdominal trauma",
  ],
  "Other / Less Common Causes",
  [
    "Crohn disease (entero-enteric fistula)",
    "Neoplastic disease (tumour perforation)",
    "Post-operative: retained sponge (gossypiboma)",
    "Pelvic inflammatory disease (PID)",
    "Iatrogenic - post-ERCP, post-angioembolisation",
    "Haematogenous spread (rare)",
  ]
);

// ─── SLIDE 8: RISK FACTORS WITH IMAGE ────────────────────────────────────────
addContentSlideWithImage(pres,
  "Predisposing Risk Factors",
  [
    { text: "HOST FACTORS", bold: true, color: C.yellow },
    { text: "Diabetes mellitus - impaired phagocytosis" },
    { text: "Malnutrition - decreased immune function" },
    { text: "Advancing age - diminished immune reserves" },
    { text: "Pre-existing organ dysfunction (renal, hepatic)" },
    { text: "Underlying malignancy" },
    { text: "IATROGENIC / DRUG-RELATED", bold: true, color: C.accent2 },
    { text: "Chronic glucocorticoid use - increases IAA risk significantly" },
    { text: "Azathioprine for IBD - increases septic complications" },
    { text: "Anti-TNF-α therapy within 12 weeks of surgery" },
  ],
  IMG_PERITONITIS, "Peritonitis (gross pathology)", 5.85, 1.05, 3.85, 3.9
);

// ─── SECTION 3 ────────────────────────────────────────────────────────────────
addSectionSlide(pres, 3, "Pathophysiology");

// ─── SLIDE 10: PATHOPHYSIOLOGY ───────────────────────────────────────────────
addContentSlideWithImage(pres,
  "Pathophysiology - How Does an Abscess Form?",
  [
    { text: "Bacteria enter peritoneal cavity via bowel perforation or surgical contamination", bold: false },
    { text: "Peritoneal macrophages phagocytose bacteria → cleared by lymphatics", bold: false },
    { text: "Lymphatic drainage via diaphragmatic pumping is highly efficient", bold: false },
    { text: "WHEN DEFENCES ARE OVERWHELMED:", bold: true, color: C.yellow },
    { text: "PMN leucocytes invade → splanchnic blood flow increases", bold: false },
    { text: "Protein & fluid exudate into peritoneal cavity", bold: false },
    { text: "Fibrinogen + reduced plasminogen activator → FIBRIN DEPOSITION", bold: true, color: C.accent1 },
    { text: "Fibrin entraps bacteria → localisation of infection", bold: false },
    { text: "Peritoneal recesses facilitate compartmentalisation → walled-off abscess", bold: false },
  ],
  IMG_ABSCESS_DIAG, "Abscess formation mechanism", 5.95, 1.05, 3.75, 4.1
);

// ─── SLIDE 11: ADJUVANT SUBSTANCES ───────────────────────────────────────────
{
  const s = pres.addSlide();
  s.background = { color: C.darkBg };
  addTopBar(s);
  addBottomBar(s);
  s.addShape("rect", { x: 0, y: 0.08, w: "100%", h: 0.72, fill: { color: C.midBg }, line: { color: C.midBg } });
  s.addShape("rect", { x: 0, y: 0.08, w: 0.06, h: 0.72, fill: { color: C.accent1 }, line: { color: C.accent1 } });
  s.addText("Pathophysiology - Adjuvant Substances & Fibrin", { x: 0.22, y: 0.1, w: 9.3, h: 0.68, fontSize: 21, bold: true, color: C.white, valign: "middle", margin: 0 });

  // Adjuvant substances
  s.addShape("rect", { x: 0.2, y: 0.95, w: 4.55, h: 2.2, fill: { color: "2A1A1A" }, line: { color: C.accent1, w: 1.5 }, rounding: 0.05 });
  s.addText("Adjuvant Substances (Worsen Abscess)", { x: 0.3, y: 1.0, w: 4.35, h: 0.4, fontSize: 13, bold: true, color: C.accent1 });
  const adjItems = [
    "Haemoglobin (iron) - provides bacterial nutrients",
    "Barium / faecal particles - block lymphatic vessels",
    "Necrotic tissue - impairs bacterial killing",
  ].map((t, i) => ({ text: t, options: { bullet: { code: "2716", color: C.accent1 }, color: C.lightGray, fontSize: 12.5, breakLine: i < 2 } }));
  s.addText(adjItems, { x: 0.3, y: 1.45, w: 4.35, h: 1.55, valign: "top" });

  // Fibrin dual effect
  s.addShape("rect", { x: 5.0, y: 0.95, w: 4.55, h: 2.2, fill: { color: "1A2A1A" }, line: { color: C.accent3, w: 1.5 }, rounding: 0.05 });
  s.addText("Dual Role of Fibrin", { x: 5.1, y: 1.0, w: 4.35, h: 0.4, fontSize: 13, bold: true, color: C.accent3 });
  s.addText([
    { text: "✓ Beneficial: ", options: { bold: true, color: C.green } },
    { text: "traps bacteria, prevents systemic sepsis\n", options: { color: C.lightGray, fontSize: 12.5 } },
    { text: "✗ Harmful: ", options: { bold: true, color: C.accent1 } },
    { text: "impairs antibiotic penetration and phagocytic migration", options: { color: C.lightGray, fontSize: 12.5 } },
  ], { x: 5.1, y: 1.45, w: 4.35, h: 1.6, valign: "top", lineSpacingMultiple: 1.5 });

  // Consequences row
  s.addShape("rect", { x: 0.2, y: 3.3, w: 9.55, h: 1.95, fill: { color: C.midBg }, line: { color: C.accent2, w: 1.5 }, rounding: 0.05 });
  s.addText("Net Consequences of Peritoneal Defences", { x: 0.35, y: 3.37, w: 9.2, h: 0.4, fontSize: 13.5, bold: true, color: C.yellow });
  const consItems = [
    "Lymphatic clearance → can cause bacteraemia if overwhelmed",
    "Fluid exudate → hypovolaemia + dilution of opsonins",
    "Abscess formation = 'bacterial apoptosis' - sacrifices local bacteria to prevent host death",
  ].map((t, i) => ({ text: t, options: { bullet: { code: "25B6", color: C.accent2 }, color: C.lightGray, fontSize: 12.5, breakLine: i < 2 } }));
  s.addText(consItems, { x: 0.35, y: 3.82, w: 9.2, h: 1.35, valign: "top", paraSpaceAfter: 3 });
}

// ─── SECTION 4 ────────────────────────────────────────────────────────────────
addSectionSlide(pres, 4, "Anatomical Classification");

// ─── SLIDE 13: CLASSIFICATION ────────────────────────────────────────────────
{
  const s = pres.addSlide();
  s.background = { color: C.darkBg };
  addTopBar(s);
  addBottomBar(s);
  s.addShape("rect", { x: 0, y: 0.08, w: "100%", h: 0.72, fill: { color: C.midBg }, line: { color: C.midBg } });
  s.addShape("rect", { x: 0, y: 0.08, w: 0.06, h: 0.72, fill: { color: C.accent1 }, line: { color: C.accent1 } });
  s.addText("Anatomical Classification of Abdominal Abscesses", { x: 0.22, y: 0.1, w: 9.3, h: 0.68, fontSize: 20, bold: true, color: C.white, valign: "middle", margin: 0 });

  const cats = [
    {
      title: "INTRAPERITONEAL", color: C.accent1, x: 0.18, items: [
        "Subphrenic (subdiaphragmatic) - right or left",
        "Subhepatic - between liver and transverse colon",
        "Pelvic abscess - most common site",
        "Paracolic / pericolic - alongside colon",
        "Interloop abscess - between bowel loops",
        "Lesser sac abscess - behind stomach",
      ]
    },
    {
      title: "RETROPERITONEAL", color: C.accent3, x: 3.55, items: [
        "Perinephric abscess",
        "Psoas abscess",
      ]
    },
    {
      title: "SOLID ORGAN", color: C.accent2, x: 6.88, items: [
        "Hepatic abscess",
        "Splenic abscess",
        "Pancreatic abscess",
      ]
    },
  ];

  cats.forEach(cat => {
    const w = cat.x < 3 ? 3.2 : cat.x < 6 ? 3.2 : 2.85;
    s.addShape("rect", { x: cat.x, y: 0.95, w, h: 4.5, fill: { color: C.cardBg }, line: { color: cat.color, w: 2 }, rounding: 0.05 });
    s.addShape("rect", { x: cat.x, y: 0.95, w, h: 0.5, fill: { color: cat.color }, line: { color: cat.color }, rounding: 0.02 });
    s.addText(cat.title, { x: cat.x, y: 0.95, w, h: 0.5, fontSize: 13, bold: true, color: C.white, align: "center", valign: "middle" });
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    s.addText(items, { x: cat.x + 0.1, y: 1.52, w: w - 0.2, h: 3.85, valign: "top", paraSpaceAfter: 5 });
  });

  // Pelvic image
  if (IMG_PELVIC) {
    s.addImage({ data: IMG_PELVIC, x: 3.58, y: 2.8, w: 3.1, h: 2.55 });
    s.addText("Pelvic abscess anatomy", { x: 3.58, y: 5.35, w: 3.1, h: 0.2, fontSize: 8, color: C.subText, align: "center", italic: true });
  }
}

// ─── SLIDE 14: SUBPHRENIC ABSCESS ────────────────────────────────────────────
addContentSlideWithImage(pres,
  "Subphrenic Abscess",
  [
    { text: "Pus immediately beneath the diaphragm (right > left side)", bold: false },
    { text: "CLASSIC CAUSES:", bold: true, color: C.yellow },
    { text: "Post-appendicectomy, post-gastric surgery, post-biliary surgery", bold: false },
    { text: "SYMPTOMS:", bold: true, color: C.accent2 },
    { text: "Spiking evening pyrexia - characteristic pattern", bold: false },
    { text: "Shoulder tip pain (C4/C5 dermatome referred pain)", bold: false },
    { text: "Hiccoughs due to diaphragmatic irritation", bold: false },
    { text: "CLINICAL ADAGE:", bold: true, color: C.accent1 },
    { text: "'Pus somewhere, pus nowhere, pus under the diaphragm'", bold: true, color: C.accent1 },
    { text: "Management: CT/US-guided percutaneous drainage (preferred)", bold: false },
  ],
  IMG_CT_ABDOMEN, "CT Abdomen - Abdominal Imaging", 5.9, 1.05, 3.85, 3.5
);

// ─── SLIDE 15: PELVIC ABSCESS ────────────────────────────────────────────────
addContentSlideWithImage(pres,
  "Pelvic Abscess",
  [
    { text: "Most common site of intra-abdominal abscess formation", bold: true, color: C.yellow },
    { text: "Appendix often pelvic in position; Fallopian tubes are a frequent source", bold: false },
    { text: "Common sequel to diffuse peritonitis or anastomotic leak", bold: false },
    { text: "SYMPTOMS:", bold: true, color: C.accent2 },
    { text: "Pelvic pain, diarrhoea, passage of mucus per rectum", bold: false },
    { text: "Lower back pain / pressure sensation in pelvis", bold: false },
    { text: "May spontaneously discharge into anal canal", bold: false },
    { text: "Signs: Tender pelvic mass on PR/PV examination", bold: false },
    { text: "Management: Transanal or transgluteal percutaneous drainage", bold: false },
  ],
  IMG_PELVIC, "Pelvic abscess - anatomical sites", 5.9, 1.05, 3.85, 4.2
);

// ─── SECTION 5 ────────────────────────────────────────────────────────────────
addSectionSlide(pres, 5, "Microbiology & Bacteriology");

// ─── SLIDE 17: MICROBIOLOGY TABLE SLIDE ──────────────────────────────────────
{
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  s.background = { color: C.darkBg };
  addTopBar(s);
  addBottomBar(s);
  s.addShape("rect", { x: 0, y: 0.08, w: "100%", h: 0.72, fill: { color: C.midBg }, line: { color: C.midBg } });
  s.addShape("rect", { x: 0, y: 0.08, w: 0.06, h: 0.72, fill: { color: C.accent1 }, line: { color: C.accent1 } });
  s.addText("Microbiology of IAA", { x: 0.22, y: 0.1, w: 9.3, h: 0.68, fontSize: 22, bold: true, color: C.white, valign: "middle", margin: 0 });

  // Community col
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  s.addText("Community-Acquired (Secondary Peritonitis)", { x: 0.18, y: 0.95, w: 4.55, h: 0.45, fontSize: 12, bold: true, color: C.white, align: "center", valign: "middle" });
  const commItems = [
    "Polymicrobial - gut flora predominate",
    "Escherichia coli - early predominant aerobe",
    "Bacteroides fragilis - late predominant anaerobe",
    "Anaerobic streptococci",
    "Klebsiella, Proteus species",
    "Enterococcus species",
  ].map((t, i) => ({ text: t, options: { bullet: { code: "25CF", color: C.accent3 }, color: C.lightGray, fontSize: 12.5, breakLine: i < 5 } }));
  s.addText(commItems, { x: 0.28, y: 1.47, w: 4.35, h: 2.75, valign: "top", paraSpaceAfter: 4 });

  // ICU col
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  s.addText("Hospital-Acquired / ICU (Tertiary Peritonitis)", { x: 5.0, y: 0.95, w: 4.55, h: 0.45, fontSize: 12, bold: true, color: C.white, align: "center", valign: "middle" });
  const icuItems = [
    "Resistant Gram-negative organisms",
    "Enterococcus species",
    "Candida (yeast) - most common in ICU (41%)",
    "Enterobacter (21%)",
    "Staphylococcus epidermidis (21%)",
    "E. coli and Bacteroides each only ~7-17%",
  ].map((t, i) => ({ text: t, options: { bullet: { code: "25CF", color: C.accent1 }, color: C.lightGray, fontSize: 12.5, breakLine: i < 5 } }));
  s.addText(icuItems, { x: 5.1, y: 1.47, w: 4.35, h: 2.75, valign: "top", paraSpaceAfter: 4 });

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    s.addImage({ data: IMG_ECOLI, x: 0.2, y: 4.42, w: 1.96, h: 0.92 });
    s.addText("E. coli gram stain", { x: 0.18, y: 5.33, w: 2.0, h: 0.2, fontSize: 8, color: C.subText, align: "center", italic: true });
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    s.addImage({ data: IMG_BACTEROIDES, x: 2.42, y: 4.42, w: 1.96, h: 0.92 });
    s.addText("B. fragilis gram stain", { x: 2.4, y: 5.33, w: 2.0, h: 0.2, fontSize: 8, color: C.subText, align: "center", italic: true });
  }
  if (IMG_ECOLI2) {
    s.addShape("rect", { x: 4.62, y: 4.4, w: 2.0, h: 1.0, fill: { color: C.cardBg }, line: { color: C.accent2, w: 1 } });
    s.addImage({ data: IMG_ECOLI2, x: 4.64, y: 4.42, w: 1.96, h: 0.92 });
    s.addText("E. coli (1000×)", { x: 4.62, y: 5.33, w: 2.0, h: 0.2, fontSize: 8, color: C.subText, align: "center", italic: true });
  }
  s.addShape("rect", { x: 6.85, y: 4.4, w: 2.7, h: 1.0, fill: { color: "1A2A1A" }, line: { color: C.accent3, w: 1 }, rounding: 0.04 });
  s.addText([
    { text: "Key Synergy:\n", options: { bold: true, color: C.yellow, fontSize: 11 } },
    { text: "E. coli creates anaerobic environment for B. fragilis\nB. fragilis impairs phagocytosis of E. coli", options: { color: C.lightGray, fontSize: 10.5 } }
  ], { x: 6.9, y: 4.42, w: 2.6, h: 0.96, valign: "middle", lineSpacingMultiple: 1.3 });
}

// ─── SECTION 6 ────────────────────────────────────────────────────────────────
addSectionSlide(pres, 6, "Clinical Features");

// ─── SLIDE 19: CLINICAL FEATURES ─────────────────────────────────────────────
{
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  s.background = { color: C.darkBg };
  addTopBar(s);
  addBottomBar(s);
  s.addShape("rect", { x: 0, y: 0.08, w: "100%", h: 0.72, fill: { color: C.midBg }, line: { color: C.midBg } });
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  s.addText("Clinical Features of Abdominal Abscess", { x: 0.22, y: 0.1, w: 9.3, h: 0.68, fontSize: 22, bold: true, color: C.white, valign: "middle", margin: 0 });

  // Symptoms
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  s.addText("SYMPTOMS", { x: 0.28, y: 1.0, w: 4.35, h: 0.4, fontSize: 13, bold: true, color: C.accent3 });
  const syms = ["Malaise, lethargy, failure to recover post-op", "Anorexia and weight loss", "Sweats ± rigors", "Fever - classic 'swinging pyrexia'", "Abdominal / pelvic pain", "Subphrenic: shoulder tip pain, hiccoughs", "Pelvic: tenesmus, mucus per rectum"];
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  // Signs
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  s.addText("SIGNS", { x: 5.1, y: 1.0, w: 4.35, h: 0.4, fontSize: 13, bold: true, color: C.accent1 });
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  // Classic tetrad
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  s.addText("Classic Tetrad (not always present):", { x: 5.1, y: 3.05, w: 4.35, h: 0.35, fontSize: 12, bold: true, color: C.yellow });
  s.addText([
    { text: "1. Abdominal pain  ", options: { color: C.lightGray, fontSize: 11.5 } },
    { text: "2. Fever with chills  ", options: { color: C.lightGray, fontSize: 11.5 } },
    { text: "3. Palpable mass  ", options: { color: C.lightGray, fontSize: 11.5 } },
    { text: "4. Leucocytosis", options: { color: C.lightGray, fontSize: 11.5 } },
  ], { x: 5.1, y: 3.42, w: 4.35, h: 0.65, valign: "top" });

  // Warning box
  s.addShape("rect", { x: 0.18, y: 4.28, w: 9.55, h: 0.95, fill: { color: "3A1A00" }, line: { color: C.accent2, w: 1.5 }, rounding: 0.05 });
  s.addText("⚠  Maintain HIGH clinical suspicion in post-op patients with prolonged ileus or fever - elderly and immunocompromised patients may present subtly", {
    x: 0.35, y: 4.35, w: 9.2, h: 0.82, fontSize: 12.5, bold: true, color: C.accent2, valign: "middle"
  });
}

// ─── SECTION 7 ────────────────────────────────────────────────────────────────
addSectionSlide(pres, 7, "Investigations");

// ─── SLIDE 21: LAB INVESTIGATIONS ────────────────────────────────────────────
addContentSlide(pres, "Laboratory Investigations",
  [
    { text: "BLOOD TESTS", bold: true, color: C.yellow },
    { text: "FBC - leucocytosis (WBC >12,000/mm³)" },
    { text: "CRP - elevated; serial monitoring tracks treatment response" },
    { text: "Blood cultures - obtain BEFORE starting antibiotics (critical!)", bold: true, color: C.accent1 },
    { text: "Serum electrolytes, urea, creatinine - baseline organ function" },
    { text: "Liver function tests (if hepatic abscess suspected)" },
    { text: "Serum procalcitonin - marker of bacterial sepsis severity" },
    { text: "ASPIRATE", bold: true, color: C.accent2 },
    { text: "Gram stain + culture of aspirated fluid = definitive diagnosis" },
    { text: "Guides targeted antibiotic de-escalation therapy" },
  ]
);

// ─── SLIDE 22: IMAGING ────────────────────────────────────────────────────────
{
  const s = pres.addSlide();
  s.background = { color: C.darkBg };
  addTopBar(s);
  addBottomBar(s);
  s.addShape("rect", { x: 0, y: 0.08, w: "100%", h: 0.72, fill: { color: C.midBg }, line: { color: C.midBg } });
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  s.addText("Imaging Investigations", { x: 0.22, y: 0.1, w: 9.3, h: 0.68, fontSize: 22, bold: true, color: C.white, valign: "middle", margin: 0 });

  // US box
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  s.addText("Ultrasound (First-Line)", { x: 0.28, y: 1.0, w: 4.35, h: 0.4, fontSize: 13.5, bold: true, color: C.accent3 });
  ["Rapid, no radiation, bedside-available", "Useful in children and pregnant patients", "Appearance: anechoic to complex echogenic fluid", "Limitation: operator-dependent; poor for deep/gas collections"].forEach((t, i, arr) => {
    s.addText([{ text: t, options: { bullet: { code: "25CF", color: C.accent3 }, color: C.lightGray, fontSize: 12 } }], { x: 0.28, y: 1.45 + i * 0.48, w: 4.35, h: 0.45 });
  });

  // CT box - GOLD STANDARD
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  s.addText("CT Scan - GOLD STANDARD", { x: 5.1, y: 1.0, w: 4.35, h: 0.4, fontSize: 13.5, bold: true, color: C.yellow });
  ["Sensitivity 96%, Specificity 95%, Accuracy 96%", "Rim-enhancing fluid collection ± gas (air-fluid level)", "Oral + IV contrast optimises detection", "Identifies complications: obstruction, fistula", "Guides percutaneous drainage planning"].forEach((t, i) => {
    s.addText([{ text: t, options: { bullet: { code: "25CF", color: C.yellow }, color: C.lightGray, fontSize: 12 } }], { x: 5.1, y: 1.45 + i * 0.38, w: 4.35, h: 0.36 });
  });

  // CT image
  if (IMG_CT_ABDOMEN) {
    s.addShape("rect", { x: 0.18, y: 3.42, w: 3.35, h: 1.8, fill: { color: C.cardBg }, line: { color: C.accent3, w: 1 } });
    s.addImage({ data: IMG_CT_ABDOMEN, x: 0.2, y: 3.44, w: 3.31, h: 1.72 });
    s.addText("CT Abdomen", { x: 0.2, y: 5.17, w: 3.31, h: 0.2, fontSize: 8, color: C.subText, align: "center", italic: true });
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  // MRI & nuclear
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  s.addText("MRI & Nuclear Medicine", { x: 3.78, y: 3.47, w: 5.6, h: 0.4, fontSize: 12.5, bold: true, color: C.accent2 });
  ["MRI: superior soft-tissue contrast; no radiation - T2/DWI useful", "Plain X-Ray: low sensitivity (30%) - may show gas under diaphragm", "Radiolabelled leucocyte scan: high sensitivity but 18-72 hrs delay", "18F-FDG PET/CT: test of choice in fever of unknown origin"].forEach((t, i) => {
    s.addText([{ text: t, options: { bullet: { code: "25B6", color: C.accent2 }, color: C.lightGray, fontSize: 11.5 } }], { x: 3.78, y: 3.92 + i * 0.36, w: 5.65, h: 0.35 });
  });
}

// ─── SECTION 8 ────────────────────────────────────────────────────────────────
addSectionSlide(pres, 8, "Management");

// ─── SLIDE 24: MANAGEMENT TRIAD ──────────────────────────────────────────────
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  s.background = { color: C.darkBg };
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  s.addShape("rect", { x: 0, y: 0.08, w: "100%", h: 0.72, fill: { color: C.midBg }, line: { color: C.midBg } });
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  s.addText("Management - The Triad", { x: 0.22, y: 0.1, w: 9.3, h: 0.68, fontSize: 22, bold: true, color: C.white, valign: "middle", margin: 0 });

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    { num: "2", title: "ANTIBIOTICS", color: C.accent1, items: ["Start empirically PROMPTLY", "Cover Gram-negatives (E. coli)", "Cover anaerobes (B. fragilis)", "Piperacillin-tazobactam monotherapy", "Cefuroxime + Metronidazole", "Duration: 5-7 days post source control"] },
    { num: "3", title: "SOURCE CONTROL", color: C.accent2, items: ["Percutaneous drainage (preferred)", "< 5 cm: antibiotics alone", "> 5 cm: drainage required", "Surgical if percutaneous fails", "Laparoscopic lavage", "Open laparotomy for extensive disease"] },
  ];

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    s.addText(items, { x: x + 0.12, y: 2.65, w: 2.8, h: 2.65, valign: "top", paraSpaceAfter: 3 });
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}

// ─── SLIDE 25: ANTIBIOTICS ───────────────────────────────────────────────────
addContentSlideWithImage(pres,
  "Antibiotic Therapy",
  [
    { text: "Start empirical antibiotics PROMPTLY after blood cultures", bold: true, color: C.yellow },
    { text: "TARGET: Cover Gram-negative aerobes (E. coli, Klebsiella) AND Anaerobes (B. fragilis)", bold: false },
    { text: "EMPIRICAL REGIMENS:", bold: true, color: C.accent2 },
    { text: "Piperacillin-tazobactam - broad spectrum monotherapy (first choice)", bold: false },
    { text: "Cefuroxime + Metronidazole (combination)", bold: false },
    { text: "Carbapenems (Imipenem, Meropenem) - resistant organisms / ICU", bold: false },
    { text: "ICU/tertiary peritonitis: add antifungal (Fluconazole / Caspofungin) if Candida suspected", bold: false },
    { text: "De-escalate based on culture & sensitivities", bold: false },
    { text: "Duration: typically 5-7 days after successful source control", bold: true, color: C.accent3 },
  ],
  IMG_PIPERACILLIN, "Piperacillin structure", 5.9, 1.5, 3.85, 2.5
);

// ─── SLIDE 26: DRAINAGE ───────────────────────────────────────────────────────
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  s.addShape("rect", { x: 0.18, y: 0.95, w: 4.55, h: 0.45, fill: { color: C.accent3 }, line: { color: C.accent3 } });
  s.addText("Percutaneous Image-Guided (PREFERRED)", { x: 0.18, y: 0.95, w: 4.55, h: 0.45, fontSize: 12, bold: true, color: C.white, align: "center", valign: "middle" });
  ["CT or US-guided drain placement", "Indications: unilocular, accessible collection", "Success rate: up to 80% non-operative", "Drain left in situ 7-10 days", "Sinogram before removal"].forEach((t, i) => {
    s.addText([{ text: t, options: { bullet: { code: "25CF", color: C.accent3 }, color: C.lightGray, fontSize: 12.5 } }], { x: 0.28, y: 1.47 + i * 0.5, w: 4.35, h: 0.45 });
  });

  // Surgical
  s.addShape("rect", { x: 5.0, y: 0.95, w: 4.55, h: 3.35, fill: { color: "2A1A1A" }, line: { color: C.accent1, w: 2 }, rounding: 0.05 });
  s.addShape("rect", { x: 5.0, y: 0.95, w: 4.55, h: 0.45, fill: { color: C.accent1 }, line: { color: C.accent1 } });
  s.addText("Surgical Drainage (Open / Laparoscopic)", { x: 5.0, y: 0.95, w: 4.55, h: 0.45, fontSize: 12, bold: true, color: C.white, align: "center", valign: "middle" });
  ["Percutaneous fails or not feasible", "Multilocular / complex collection", "Worsening sepsis despite drainage", "Laparoscopic lavage (washout)", "Open laparotomy for extensive contamination"].forEach((t, i) => {
    s.addText([{ text: t, options: { bullet: { code: "25CF", color: C.accent1 }, color: C.lightGray, fontSize: 12.5 } }], { x: 5.1, y: 1.47 + i * 0.5, w: 4.35, h: 0.45 });
  });

  // Size rule
  s.addShape("rect", { x: 0.18, y: 4.42, w: 9.55, h: 0.95, fill: { color: "2A2A00" }, line: { color: C.yellow, w: 1.5 }, rounding: 0.05 });
  s.addText([
    { text: "Size Rule:  ", options: { bold: true, color: C.yellow, fontSize: 14 } },
    { text: "Abscess < 5 cm", options: { bold: true, color: C.accent3, fontSize: 13 } },
    { text: " → antibiotics alone (monitor closely)   |   ", options: { color: C.lightGray, fontSize: 13 } },
    { text: "Abscess > 5 cm", options: { bold: true, color: C.accent1, fontSize: 13 } },
    { text: " → drainage required", options: { color: C.lightGray, fontSize: 13 } },
  ], { x: 0.35, y: 4.48, w: 9.2, h: 0.82, valign: "middle" });
}

// ─── SLIDE 27: MANAGEMENT BY LOCATION ────────────────────────────────────────
addTwoColSlide(pres,
  "Management by Location",
  "Subphrenic & Pelvic",
  [
    "Subphrenic: CT/US-guided percutaneous drainage preferred",
    "Surgical extraperitoneal approach if image-guided fails",
    "Large-bore drain; left 7-10 days",
    "Pelvic: transanal or transgluteal drainage",
    "Laparotomy if above fails",
    "Transintestinal drainage no longer used (high fistula rate)",
  ],
  "Interloop & Diverticular",
  [
    "Interloop: NOT amenable to percutaneous drainage",
    "Surgical washout / laparoscopic lavage required",
    "Diverticular Hinchey I/II:",
    "  < 3 cm: antibiotics alone",
    "  > 3 cm: image-guided drainage + antibiotics",
    "Failed non-op → Hartmann procedure (Hinchey III/IV)",
  ]
);

// ─── SLIDE 28: COMPLICATIONS ─────────────────────────────────────────────────
{
  const s = pres.addSlide();
  s.background = { color: C.darkBg };
  addTopBar(s, C.accent1);
  addBottomBar(s);
  s.addShape("rect", { x: 0, y: 0.08, w: "100%", h: 0.72, fill: { color: C.midBg }, line: { color: C.midBg } });
  s.addShape("rect", { x: 0, y: 0.08, w: 0.06, h: 0.72, fill: { color: C.accent1 }, line: { color: C.accent1 } });
  s.addText("Complications", { x: 0.22, y: 0.1, w: 9.3, h: 0.68, fontSize: 22, bold: true, color: C.white, valign: "middle", margin: 0 });

  // If untreated
  s.addShape("rect", { x: 0.18, y: 0.95, w: 4.55, h: 2.3, fill: { color: "3A0A0A" }, line: { color: C.accent1, w: 2 }, rounding: 0.05 });
  s.addText("If Untreated / Inadequately Treated", { x: 0.28, y: 1.0, w: 4.35, h: 0.4, fontSize: 13, bold: true, color: C.accent1 });
  ["Septicaemia → SIRS", "Multi-organ dysfunction / failure (MOF)", "Death"].forEach((t, i) => {
    s.addText([{ text: t, options: { bullet: { code: "2716", color: C.accent1 }, color: C.lightGray, fontSize: 13, bold: t === "Death" } }], { x: 0.28, y: 1.45 + i * 0.55, w: 4.35, h: 0.5 });
  });

  // Local complications
  s.addShape("rect", { x: 5.0, y: 0.95, w: 4.55, h: 2.3, fill: { color: "2A1A00" }, line: { color: C.accent2, w: 1.5 }, rounding: 0.05 });
  s.addText("Local Complications", { x: 5.1, y: 1.0, w: 4.35, h: 0.4, fontSize: 13, bold: true, color: C.accent2 });
  ["Fistula formation (entero-cutaneous, colovesical)", "Bowel obstruction (adhesions)", "Portal pyaemia / pylephlebitis", "Hepatic abscess (from portal pyaemia)", "SMV thrombosis"].forEach((t, i) => {
    s.addText([{ text: t, options: { bullet: { code: "25CF", color: C.accent2 }, color: C.lightGray, fontSize: 12.5 } }], { x: 5.1, y: 1.45 + i * 0.44, w: 4.35, h: 0.42 });
  });

  // After drainage
  s.addShape("rect", { x: 0.18, y: 3.38, w: 9.55, h: 1.35, fill: { color: C.midBg }, line: { color: C.accent3, w: 1 }, rounding: 0.05 });
  s.addText("After Drainage", { x: 0.28, y: 3.43, w: 9.2, h: 0.38, fontSize: 13, bold: true, color: C.accent3 });
  ["Recurrence (15-25% after diverticular abscess drainage)", "Persistent collection requiring re-drainage", "Drain-site infection / hernia"].forEach((t, i) => {
    s.addText([{ text: t, options: { bullet: { code: "25CF", color: C.accent3 }, color: C.lightGray, fontSize: 12.5 } }], { x: 0.28, y: 3.85 + i * 0.38, w: 9.2, h: 0.36 });
  });

  // Peritonitis image
  if (IMG_PERITONITIS) {
    s.addImage({ data: IMG_PERITONITIS, x: 0.18, y: 4.8, w: 4.55, h: 0.65 });
    s.addText("Peritonitis - gross pathology", { x: 0.18, y: 5.4, w: 4.55, h: 0.2, fontSize: 8, color: C.subText, align: "center", italic: true });
  }
}

// ─── SLIDE 29: SUMMARY ────────────────────────────────────────────────────────
{
  const s = pres.addSlide();
  s.background = { color: C.darkBg };
  addTopBar(s, C.accent3);
  addBottomBar(s);

  s.addShape("rect", { x: 0, y: 0.08, w: "100%", h: 0.72, fill: { color: C.midBg }, line: { color: C.midBg } });
  s.addShape("rect", { x: 0, y: 0.08, w: 0.06, h: 0.72, fill: { color: C.accent3 }, line: { color: C.accent3 } });
  s.addText("Summary & Key Points", { x: 0.22, y: 0.1, w: 9.3, h: 0.68, fontSize: 22, bold: true, color: C.white, valign: "middle", margin: 0 });

  const keyPoints = [
    { text: "IAA = localized pus in peritoneal/retroperitoneal cavity following peritonitis", col: C.accent1 },
    { text: "Most common causes: perforated appendicitis, diverticulitis, anastomotic leak", col: C.accent2 },
    { text: "Pathophysiology: fibrin entrapment of bacteria in peritoneal recesses", col: C.accent3 },
    { text: "Key organisms: E. coli + B. fragilis (community); Candida, Enterococcus (ICU)", col: C.accent1 },
    { text: "CT scan = gold standard investigation (sensitivity 96%)", col: C.yellow },
    { text: "Management triad: Resuscitation + Antibiotics + Source Control", col: C.green },
    { text: "Abscess <5 cm → antibiotics alone; >5 cm → drainage (percutaneous preferred)", col: C.accent2 },
    { text: "Pelvic abscess = most common site; Subphrenic = swinging fever + shoulder pain", col: C.accent3 },
    { text: "Complications: sepsis, MOF, fistula, recurrence (15-25%)", col: C.accent1 },
  ];

  const rows = [0, 1, 2, 3, 4, 5, 6, 7, 8];
  const perRow = 3;
  keyPoints.forEach((kp, i) => {
    const col = i % perRow;
    const row = Math.floor(i / perRow);
    const x = 0.18 + col * 3.27;
    const y = 0.97 + row * 1.5;
    s.addShape("rect", { x, y, w: 3.05, h: 1.35, fill: { color: C.cardBg }, line: { color: kp.col, w: 1.5 }, rounding: 0.06 });
    s.addShape("rect", { x, y, w: 0.12, h: 1.35, fill: { color: kp.col }, line: { color: kp.col }, rounding: 0.03 });
    s.addText(`${i + 1}`, { x, y, w: 0.12, h: 0.4, fontSize: 9, bold: true, color: C.white, align: "center" });
    s.addText(kp.text, { x: x + 0.2, y: y + 0.08, w: 2.78, h: 1.2, fontSize: 11, color: C.lightGray, valign: "middle" });
  });
}

// ─── SLIDE 30: REFERENCES ─────────────────────────────────────────────────────
{
  const s = pres.addSlide();
  s.background = { color: C.darkBg };
  addTopBar(s, C.accent3);
  addBottomBar(s);
  s.addShape("rect", { x: 0, y: 0.08, w: "100%", h: 0.72, fill: { color: C.midBg }, line: { color: C.midBg } });
  s.addShape("rect", { x: 0, y: 0.08, w: 0.06, h: 0.72, fill: { color: C.accent3 }, line: { color: C.accent3 } });
  s.addText("References", { x: 0.22, y: 0.1, w: 9.3, h: 0.68, fontSize: 22, bold: true, color: C.white, valign: "middle", margin: 0 });

  const refs = [
    "1.  Bailey & Love's Short Practice of Surgery, 28th Ed. Williams N, O'Connell R, McCaskie AW. 2023.",
    "2.  Sleisenger and Fordtran's Gastrointestinal and Liver Disease, 11th Ed. Feldman M, Friedman LS, Brandt LJ. Elsevier.",
    "3.  Mulholland and Greenfield's Surgery: Scientific Principles & Practice, 7th Ed. Jones DB et al. Wolters Kluwer.",
    "4.  Tintinalli's Emergency Medicine: A Comprehensive Study Guide, 9th Ed. Tintinalli JE et al. McGraw-Hill.",
    "5.  Pye's Surgical Handicraft, 22nd Ed. Lumley JSP, Craven JL, Aitken RJ.",
    "6.  Current Surgical Therapy, 14th Ed. Cameron JL, Cameron AM. Elsevier.",
  ];

  refs.forEach((ref, i) => {
    s.addShape("rect", { x: 0.18, y: 0.97 + i * 0.75, w: 9.55, h: 0.65, fill: { color: i % 2 === 0 ? C.cardBg : C.midBg }, line: { color: "none" } });
    s.addText(ref, { x: 0.35, y: 0.99 + i * 0.75, w: 9.2, h: 0.6, fontSize: 12, color: C.lightGray, valign: "middle" });
  });

  s.addText("Images sourced from Wikimedia Commons (CC-licensed) & CDC PHIL", {
    x: 0.35, y: 5.22, w: 9.2, h: 0.28, fontSize: 10, color: C.subText, italic: true, align: "center"
  });
}

// ─── SLIDE 31: THANK YOU ─────────────────────────────────────────────────────
{
  const s = pres.addSlide();
  s.background = { color: C.darkBg };

  s.addShape("rect", { x: 0, y: 0, w: "100%", h: 0.12, fill: { color: C.accent1 }, line: { color: C.accent1 } });
  s.addShape("rect", { x: 0, y: 5.505, w: "100%", h: 0.12, fill: { color: C.accent3 }, line: { color: C.accent3 } });
  s.addShape("rect", { x: 0, y: 0.12, w: 0.2, h: 5.385, fill: { color: C.midBg }, line: { color: C.midBg } });

  // Abscess diagram background
  if (IMG_ABSCESS_DIAG) {
    s.addImage({ data: IMG_ABSCESS_DIAG, x: 6.5, y: 0.5, w: 3.3, h: 4.6 });
    s.addShape("rect", { x: 6.5, y: 0.5, w: 3.3, h: 4.6, fill: { color: C.darkBg, transparency: 40 }, line: { color: "none" } });
  }

  s.addText("Thank You", { x: 0.4, y: 1.2, w: 6.0, h: 1.0, fontSize: 52, bold: true, color: C.white, charSpacing: 4 });
  s.addShape("rect", { x: 0.4, y: 2.3, w: 4.5, h: 0.06, fill: { color: C.accent1 }, line: { color: C.accent1 } });
  s.addText("Questions & Discussion", { x: 0.4, y: 2.5, w: 6.0, h: 0.55, fontSize: 22, italic: true, color: C.accent2 });
  s.addText("Department of Surgery\nUndergraduate Medical Programme", {
    x: 0.4, y: 3.2, w: 6.0, h: 0.8, fontSize: 15, color: C.subText, lineSpacingMultiple: 1.5
  });
  s.addText("Bailey & Love  ·  Sleisenger & Fordtran  ·  Mulholland & Greenfield", {
    x: 0.4, y: 4.1, w: 6.0, h: 0.4, fontSize: 11, color: C.accent3, italic: true
  });
}

// ─── WRITE FILE ───────────────────────────────────────────────────────────────
pres.writeFile({ fileName: "/home/daytona/workspace/abdominal-abscess-pptx/Abdominal_Abscess_Seminar.pptx" })
  .then(() => console.log("SUCCESS: PPTX written!"))
  .catch(e => console.error("ERROR:", e));

"""Generate medical infographic images for slides missing visuals."""
import matplotlib
matplotlib.use('Agg')
import matplotlib.pyplot as plt
import matplotlib.patches as mpatches
from matplotlib.patches import FancyArrowPatch, FancyBboxPatch, Circle, Arrow
import matplotlib.patheffects as pe
import numpy as np
import base64, io, json, os

OUT = '/tmp/gen_images'
os.makedirs(OUT, exist_ok=True)

BG   = '#0D1B2A'
MID  = '#1B2A3B'
RED  = '#E63946'
ORG  = '#F4A261'
TEAL = '#2A9D8F'
WHT  = '#FFFFFF'
LGRY = '#D8E4EE'
YLW  = '#FFD166'
GRN  = '#06D6A0'
STXT = '#A8C0D6'

def save_b64(fig, name):
    buf = io.BytesIO()
    fig.savefig(buf, format='png', dpi=150, bbox_inches='tight',
                facecolor=BG, edgecolor='none')
    plt.close(fig)
    buf.seek(0)
    b64 = base64.b64encode(buf.read()).decode()
    path = f'{OUT}/{name}.png'
    with open(path, 'wb') as f:
        buf.seek(0); f.write(buf.read())
    return f'image/png;base64,{b64}', path

results = {}

# ── 1. PATHOPHYSIOLOGY FLOWCHART ─────────────────────────────────────────────
fig, ax = plt.subplots(figsize=(6, 7), facecolor=BG)
ax.set_facecolor(BG); ax.set_xlim(0,10); ax.set_ylim(0,14); ax.axis('off')

steps = [
    (5, 13.0, 'Bowel Perforation /\nSurgical Contamination', RED,   WHT),
    (5, 11.2, 'Bacteria Enter\nPeritoneal Cavity',          MID,   LGRY),
    (5,  9.4, 'Macrophage Phagocytosis\n+ Lymphatic Clearance', TEAL, WHT),
    (5,  7.6, 'Defences Overwhelmed →\nPMN Influx + Exudate',  '#2A1A00', ORG),
    (5,  5.8, 'Fibrinogen Activation →\nFIBRIN DEPOSITION',    '#3A1A1A', RED),
    (5,  4.0, 'Fibrin Entraps Bacteria\nin Peritoneal Recesses', '#1A2A1A', GRN),
    (5,  2.2, 'WALLED-OFF ABSCESS\n(Contained Infection)',      RED,   WHT),
]
for (x,y,txt,bg,fg) in steps:
    box = FancyBboxPatch((x-4, y-0.65), 8, 1.3,
                         boxstyle='round,pad=0.1', facecolor=bg,
                         edgecolor=TEAL, linewidth=1.5)
    ax.add_patch(box)
    ax.text(x, y, txt, ha='center', va='center', fontsize=9,
            color=fg, fontweight='bold', multialignment='center')
    if y > 2.5:
        ax.annotate('', xy=(x, y-0.7), xytext=(x, y-1.4),
                    arrowprops=dict(arrowstyle='->', color=ORG, lw=2))

ax.set_title('Pathophysiology of Abscess Formation', color=WHT,
             fontsize=11, fontweight='bold', pad=8)
results['pathophysiology'], _ = save_b64(fig, 'pathophysiology')
print('Generated: pathophysiology')

# ── 2. ANATOMICAL LOCATIONS DIAGRAM ──────────────────────────────────────────
fig, ax = plt.subplots(figsize=(5.5, 6.5), facecolor=BG)
ax.set_facecolor(BG); ax.set_xlim(0,10); ax.set_ylim(0,12); ax.axis('off')

# Body outline (simple ellipse torso)
torso = mpatches.Ellipse((5, 6), 6.5, 10, fill=False, edgecolor=STXT, linewidth=2, linestyle='--')
ax.add_patch(torso)
ax.text(5, 11.2, 'Abdominal Abscess Locations', ha='center', va='center',
        fontsize=10, fontweight='bold', color=WHT)

locations = [
    (5.0, 10.5, 'Subphrenic\n(right > left)',  RED,   '▲'),
    (6.5,  8.5, 'Subhepatic',                  ORG,   '●'),
    (3.5,  8.5, 'Lesser Sac',                  TEAL,  '●'),
    (2.0,  6.5, 'Paracolic',                   YLW,   '●'),
    (8.0,  6.5, 'Perinephric\n(Retroperitoneal)', '#9B59B6','●'),
    (5.0,  6.0, 'Interloop',                   GRN,   '◆'),
    (7.5,  4.5, 'Psoas\n(Retroperitoneal)',    '#9B59B6','●'),
    (5.0,  3.0, 'Pelvic\n(Most Common)',       RED,   '★'),
]
for (x, y, label, col, sym) in locations:
    ax.plot(x, y, sym, color=col, markersize=12 if sym=='★' else 9)
    ax.text(x + 0.5, y, label, va='center', fontsize=7.5,
            color=col, fontweight='bold')

# Legend
ax.add_patch(FancyBboxPatch((0.2, 0.1), 9.6, 0.9,
             boxstyle='round,pad=0.05', facecolor=MID, edgecolor=TEAL, linewidth=1))
ax.text(5, 0.55, '★ = Most Common   ● = Intraperitoneal   ◆ = Interloop   ● Purple = Retroperitoneal',
        ha='center', va='center', fontsize=6.5, color=LGRY)
results['anatomy_locations'], _ = save_b64(fig, 'anatomy_locations')
print('Generated: anatomy_locations')

# ── 3. MICROBIOLOGY SYNERGY DIAGRAM ──────────────────────────────────────────
fig, ax = plt.subplots(figsize=(5.5, 5), facecolor=BG)
ax.set_facecolor(BG); ax.set_xlim(0,10); ax.set_ylim(0,9); ax.axis('off')
ax.set_title('E. coli & B. fragilis Synergy', color=WHT, fontsize=11, fontweight='bold')

# E. coli circle
c1 = Circle((3, 5), 2.3, facecolor='#1E3A2A', edgecolor=TEAL, linewidth=2.5)
ax.add_patch(c1)
ax.text(3, 5.8, 'E. coli', ha='center', fontsize=11, fontweight='bold', color=TEAL)
ax.text(3, 4.9, '(Aerobe)', ha='center', fontsize=8, color=LGRY)
ax.text(3, 4.2, 'Creates anaerobic\nmicroenvironment', ha='center', fontsize=7.5, color=GRN, multialignment='center')

# B. fragilis circle
c2 = Circle((7, 5), 2.3, facecolor='#3A1A1A', edgecolor=RED, linewidth=2.5)
ax.add_patch(c2)
ax.text(7, 5.8, 'B. fragilis', ha='center', fontsize=11, fontweight='bold', color=RED)
ax.text(7, 4.9, '(Anaerobe)', ha='center', fontsize=8, color=LGRY)
ax.text(7, 4.2, 'Impairs phagocytosis\nof E. coli', ha='center', fontsize=7.5, color=ORG, multialignment='center')

# Arrows
ax.annotate('', xy=(5.0, 5.5), xytext=(4.0, 5.5),
            arrowprops=dict(arrowstyle='->', color=ORG, lw=2.5))
ax.annotate('', xy=(4.0, 4.5), xytext=(5.0, 4.5),
            arrowprops=dict(arrowstyle='->', color=GRN, lw=2.5))

# Synergy result box
box = FancyBboxPatch((1.5, 0.5), 7, 1.4, boxstyle='round,pad=0.1',
                     facecolor='#2A2A00', edgecolor=YLW, linewidth=2)
ax.add_patch(box)
ax.text(5, 1.25, '⚠ Polymicrobial Synergy', ha='center', fontsize=10,
        fontweight='bold', color=YLW)
ax.text(5, 0.82, 'Together they resist host defences & antibiotics far more effectively',
        ha='center', fontsize=7.5, color=LGRY)

results['micro_synergy'], _ = save_b64(fig, 'micro_synergy')
print('Generated: micro_synergy')

# ── 4. MANAGEMENT ALGORITHM ───────────────────────────────────────────────────
fig, ax = plt.subplots(figsize=(6, 7), facecolor=BG)
ax.set_facecolor(BG); ax.set_xlim(0,10); ax.set_ylim(0,13); ax.axis('off')
ax.set_title('Management Algorithm', color=WHT, fontsize=11, fontweight='bold', pad=8)

nodes = [
    (5, 12.3, 'Suspected IAA',                         RED,   WHT, 8, 1.3),
    (5, 10.6, 'Resuscitation + Blood Cultures',         MID,   LGRY, 8, 1.2),
    (5,  9.0, 'Start Empirical Antibiotics',            '#1E3A2A', GRN, 8, 1.2),
    (5,  7.4, 'CT Scan (Gold Standard)',                '#2A2A00', YLW, 8, 1.2),
    (2,  5.6, 'Abscess < 5cm',                         '#1A2A1A', GRN, 3.5, 1.2),
    (7,  5.6, 'Abscess ≥ 5cm',                         '#2A1A00', ORG, 3.5, 1.2),
    (2,  3.8, 'Antibiotics\nAlone',                    TEAL,  WHT, 3.5, 1.3),
    (7,  3.8, 'Percutaneous\nDrainage (CT/US)',         RED,   WHT, 3.5, 1.3),
    (7,  1.9, 'Surgical Drainage\n(if drainage fails)', '#3A1A1A', ORG, 3.5, 1.3),
]
for (x, y, txt, bg, fg, w, h) in nodes:
    box = FancyBboxPatch((x-w/2, y-h/2), w, h,
                         boxstyle='round,pad=0.1', facecolor=bg,
                         edgecolor=TEAL, linewidth=1.2)
    ax.add_patch(box)
    ax.text(x, y, txt, ha='center', va='center', fontsize=8.5,
            color=fg, fontweight='bold', multialignment='center')

# Main arrows
for (y1, y2) in [(11.7,11.2),(10.0,9.6),(8.4,8.0),(6.8,6.2),(6.8,6.2)]:
    ax.annotate('', xy=(5, y2), xytext=(5, y1),
                arrowprops=dict(arrowstyle='->', color=STXT, lw=1.8))

# Branch arrows
ax.annotate('', xy=(2, 6.2), xytext=(4.0, 7.0),
            arrowprops=dict(arrowstyle='->', color=GRN, lw=1.8))
ax.annotate('', xy=(7, 6.2), xytext=(6.0, 7.0),
            arrowprops=dict(arrowstyle='->', color=ORG, lw=1.8))
ax.annotate('', xy=(2, 3.2), xytext=(2, 4.2),
            arrowprops=dict(arrowstyle='->', color=TEAL, lw=1.8))
ax.annotate('', xy=(7, 3.2), xytext=(7, 4.2),
            arrowprops=dict(arrowstyle='->', color=RED, lw=1.8))
ax.annotate('', xy=(7, 1.25), xytext=(7, 2.25),
            arrowprops=dict(arrowstyle='->', color=ORG, lw=1.8))

results['management_algo'], _ = save_b64(fig, 'management_algo')
print('Generated: management_algo')

# ── 5. COMPLICATIONS CASCADE ──────────────────────────────────────────────────
fig, ax = plt.subplots(figsize=(6, 5.5), facecolor=BG)
ax.set_facecolor(BG); ax.set_xlim(0,10); ax.set_ylim(0,10); ax.axis('off')
ax.set_title('Untreated IAA → Complications Cascade', color=WHT,
             fontsize=10, fontweight='bold', pad=8)

cascade = [
    (5, 9.0, 'Inadequately Treated IAA',  RED,   WHT),
    (5, 7.5, 'Bacteraemia / Septicaemia', '#8B0000', WHT),
    (5, 6.1, 'SIRS → Septic Shock',       '#B22222', WHT),
    (5, 4.7, 'Multi-Organ Failure (MOF)', '#CC3300', ORG),
    (5, 3.3, 'DEATH',                     RED,   WHT),
]
for i, (x,y,txt,bg,fg) in enumerate(cascade):
    w = 7 - i*0.3
    box = FancyBboxPatch((x-w/2, y-0.55), w, 1.1,
                         boxstyle='round,pad=0.08', facecolor=bg,
                         edgecolor=RED if i==4 else ORG, linewidth=2 if i==4 else 1)
    ax.add_patch(box)
    ax.text(x, y, txt, ha='center', va='center', fontsize=9+(1 if i==4 else 0),
            color=fg, fontweight='bold')
    if i < 4:
        ax.annotate('', xy=(x, y-0.58), xytext=(x, y-0.95),
                    arrowprops=dict(arrowstyle='->', color=RED, lw=2))

# Local complications sidebar
side = [('Fistula', TEAL), ('Bowel Obstruction', ORG), ('Portal Pyaemia', RED),
        ('Hepatic Abscess', YLW), ('SMV Thrombosis', GRN)]
ax.add_patch(FancyBboxPatch((0.1, 1.0), 2.2, 7.5,
             boxstyle='round,pad=0.1', facecolor=MID, edgecolor=TEAL, linewidth=1.2))
ax.text(1.2, 8.7, 'Local\nComps', ha='center', fontsize=8, fontweight='bold', color=TEAL, multialignment='center')
for i,(txt,col) in enumerate(side):
    ax.text(1.2, 7.8 - i*1.35, f'• {txt}', ha='center', fontsize=7.5, color=col)

results['complications'], _ = save_b64(fig, 'complications')
print('Generated: complications')

# ── 6. RISK FACTORS WHEEL ────────────────────────────────────────────────────
fig, ax = plt.subplots(figsize=(5.5, 5.5), facecolor=BG)
ax.set_facecolor(BG); ax.set_aspect('equal'); ax.axis('off')
ax.set_title('Risk Factors for IAA', color=WHT, fontsize=11, fontweight='bold')

factors = ['Diabetes\nMellitus', 'Malnutrition', 'Advanced\nAge', 'Organ\nDysfunction',
           'Malignancy', 'Steroids', 'Azathioprine', 'Blood\nTransfusion']
colors_wheel = [RED, ORG, TEAL, YLW, GRN, '#9B59B6', '#E91E63', '#00BCD4']
angles = np.linspace(0, 2*np.pi, len(factors), endpoint=False)

center_circle = Circle((0,0), 0.55, facecolor=RED, edgecolor=WHT, linewidth=2)
ax.add_patch(center_circle)
ax.text(0, 0, 'IAA\nRisk', ha='center', va='center', fontsize=10,
        fontweight='bold', color=WHT, multialignment='center')

for angle, factor, col in zip(angles, factors, colors_wheel):
    x = 1.5 * np.cos(angle)
    y = 1.5 * np.sin(angle)
    circ = Circle((x, y), 0.52, facecolor=col, edgecolor=WHT, linewidth=1.5, alpha=0.9)
    ax.add_patch(circ)
    ax.text(x, y, factor, ha='center', va='center', fontsize=7.5,
            fontweight='bold', color=WHT, multialignment='center')
    ax.plot([0.55*np.cos(angle), 0.98*np.cos(angle)],
            [0.55*np.sin(angle), 0.98*np.cos(angle)], color=col, lw=1.5, alpha=0.6)

ax.set_xlim(-2.2, 2.2); ax.set_ylim(-2.2, 2.2)
results['risk_wheel'], _ = save_b64(fig, 'risk_wheel')
print('Generated: risk_wheel')

# ── 7. IMAGING COMPARISON CHART ──────────────────────────────────────────────
fig, ax = plt.subplots(figsize=(6, 4.5), facecolor=BG)
ax.set_facecolor(BG); ax.axis('off')
ax.set_title('Imaging Modality Comparison', color=WHT, fontsize=11, fontweight='bold')

modalities = ['Plain X-Ray', 'Ultrasound', 'CT Scan', 'MRI', 'Nuc. Medicine']
sensitivity = [30, 75, 96, 90, 85]
cols_bar = [STXT, TEAL, RED, ORG, YLW]

ax_bar = fig.add_axes([0.1, 0.15, 0.85, 0.72])
ax_bar.set_facecolor(MID)
bars = ax_bar.barh(modalities, sensitivity, color=cols_bar, edgecolor=BG, height=0.6)
ax_bar.set_xlim(0, 110)
ax_bar.set_xlabel('Sensitivity (%)', color=LGRY, fontsize=9)
ax_bar.tick_params(colors=LGRY, labelsize=9)
ax_bar.spines['bottom'].set_color(STXT)
ax_bar.spines['left'].set_color(STXT)
ax_bar.spines['top'].set_visible(False)
ax_bar.spines['right'].set_visible(False)
for bar, val in zip(bars, sensitivity):
    ax_bar.text(val + 1, bar.get_y() + bar.get_height()/2,
                f'{val}%', va='center', color=WHT, fontsize=9, fontweight='bold')
ax_bar.axvline(x=96, color=RED, linestyle='--', linewidth=1.5, alpha=0.7)
ax_bar.text(97, 4.5, 'Gold Standard\n(CT)', color=RED, fontsize=8, fontweight='bold')
ax_bar.set_facecolor('#1B2A3B')
fig.patch.set_facecolor(BG)
results['imaging_chart'], _ = save_b64(fig, 'imaging_chart')
print('Generated: imaging_chart')

# ── 8. LEARNING OBJECTIVES ICONS ─────────────────────────────────────────────
fig, ax = plt.subplots(figsize=(6, 5), facecolor=BG)
ax.set_facecolor(BG); ax.set_xlim(0,10); ax.set_ylim(0,9); ax.axis('off')
ax.set_title('Key Learning Areas', color=WHT, fontsize=11, fontweight='bold')

icons_data = [
    (1.5, 7.5, '🔬', 'Microbiology',     TEAL),
    (5.0, 7.5, '🩻', 'Imaging',          ORG),
    (8.5, 7.5, '⚕', 'Management',       RED),
    (1.5, 4.5, '🧬', 'Pathophysiology',  YLW),
    (5.0, 4.5, '📍', 'Anatomy',          GRN),
    (8.5, 4.5, '⚠', 'Complications',   '#9B59B6'),
    (3.0, 1.5, '💊', 'Antibiotics',      '#E91E63'),
    (7.0, 1.5, '🔪', 'Surgery',          '#00BCD4'),
]
for (x, y, icon, label, col) in icons_data:
    circle = Circle((x, y), 1.0, facecolor=MID, edgecolor=col, linewidth=2.5)
    ax.add_patch(circle)
    ax.text(x, y+0.1, icon, ha='center', va='center', fontsize=22)
    ax.text(x, y-1.3, label, ha='center', va='center', fontsize=8.5,
            color=col, fontweight='bold')

results['objectives_icons'], _ = save_b64(fig, 'objectives_icons')
print('Generated: objectives_icons')

# ── 9. EPIDEMIOLOGY BAR CHART ─────────────────────────────────────────────────
fig, ax = plt.subplots(figsize=(5.5, 4), facecolor=BG)
ax.set_facecolor(BG)
ax_plot = fig.add_axes([0.15, 0.18, 0.8, 0.7])
ax_plot.set_facecolor(MID)
cats = ['Post-\nAppendicectomy', 'Diverticulitis\n(Hospitalised)', 'Post-\nColorectal Sx', 'ICU\nPatients']
vals = [8, 17.5, 15, 25]
cols_ep = [RED, ORG, TEAL, YLW]
bars = ax_plot.bar(cats, vals, color=cols_ep, edgecolor=BG, width=0.55)
for bar, val in zip(bars, vals):
    ax_plot.text(bar.get_x() + bar.get_width()/2, val+0.4,
                f'{val}%', ha='center', color=WHT, fontsize=9.5, fontweight='bold')
ax_plot.set_ylabel('IAA Incidence (%)', color=LGRY, fontsize=9)
ax_plot.tick_params(colors=LGRY, labelsize=8)
ax_plot.spines['bottom'].set_color(STXT); ax_plot.spines['left'].set_color(STXT)
ax_plot.spines['top'].set_visible(False); ax_plot.spines['right'].set_visible(False)
ax_plot.set_ylim(0, 32)
fig.suptitle('IAA Incidence by Clinical Setting', color=WHT, fontsize=10, fontweight='bold', y=0.97)
fig.patch.set_facecolor(BG)
results['epidemiology_chart'], _ = save_b64(fig, 'epi_chart')
print('Generated: epidemiology_chart')

# ── 10. ANTIBIOTIC SPECTRUM CHART ────────────────────────────────────────────
fig, ax = plt.subplots(figsize=(6, 4.5), facecolor=BG)
ax.set_facecolor(BG); ax.axis('off')
fig.suptitle('Empirical Antibiotic Coverage for IAA', color=WHT, fontsize=10, fontweight='bold')

drugs = ['Pip-Tazo\n(monotherapy)', 'Cef+Metro\n(combination)', 'Meropenem\n(carbapenem)', 'Add Fluconazole\n(if Candida)']
organisms = ['E. coli', 'B. fragilis', 'Klebsiella', 'Enterococcus', 'Candida']
coverage = [
    [1,1,1,0.5,0],
    [1,1,0.5,0,0],
    [1,1,1,0.5,0],
    [0.5,0.5,0.5,0.5,1],
]
ax_cov = fig.add_axes([0.18, 0.12, 0.78, 0.75])
ax_cov.set_facecolor(MID)
cmap_custom = matplotlib.colors.LinearSegmentedColormap.from_list('', [BG, TEAL, GRN])
im = ax_cov.imshow(coverage, cmap=cmap_custom, vmin=0, vmax=1, aspect='auto')
ax_cov.set_xticks(range(len(organisms))); ax_cov.set_xticklabels(organisms, color=LGRY, fontsize=8.5)
ax_cov.set_yticks(range(len(drugs))); ax_cov.set_yticklabels(drugs, color=YLW, fontsize=8.5)
for i in range(len(drugs)):
    for j in range(len(organisms)):
        val = coverage[i][j]
        txt = '✓' if val==1 else ('~' if val==0.5 else '✗')
        col = GRN if val==1 else (YLW if val==0.5 else RED)
        ax_cov.text(j, i, txt, ha='center', va='center', fontsize=13, color=col, fontweight='bold')
ax_cov.spines[:].set_color(STXT)
ax_cov.tick_params(colors=LGRY)
fig.patch.set_facecolor(BG)
results['antibiotic_coverage'], _ = save_b64(fig, 'abx_coverage')
print('Generated: antibiotic_coverage')

# Save all generated images
json.dump(results, open('/tmp/gen_images_map.json', 'w'))
print(f'\nTotal generated: {len(results)} images')
for k in results: print(f'  {k}: len={len(results[k])}')

Successfully replaced 1 instance(s) of the string in '/home/daytona/workspace/abdominal-abscess-pptx/gen_images.py'

Successfully replaced 1 instance(s) of the string in '/home/daytona/workspace/abdominal-abscess-pptx/gen_images.py'

Successfully replaced 1 instance(s) of the string in '/home/daytona/workspace/abdominal-abscess-pptx/gen_images.py'

Successfully replaced 1 instance(s) of the string in '/home/daytona/workspace/abdominal-abscess-pptx/gen_images.py'

Successfully replaced 1 instance(s) of the string in '/home/daytona/workspace/abdominal-abscess-pptx/build.js'

Successfully replaced 1 instance(s) of the string in '/home/daytona/workspace/abdominal-abscess-pptx/build.js'

Successfully replaced 1 instance(s) of the string in '/home/daytona/workspace/abdominal-abscess-pptx/build.js'

Successfully replaced 1 instance(s) of the string in '/home/daytona/workspace/abdominal-abscess-pptx/build.js'